HelioIndex: comparison of countries for authors' first and last papers

The table below compares the numbers of authors in each country based on their first and last papers. This gives an indication of the movement of scientists within the field.

A positive percentage means there has been a net migration out of the country, and a negative percentage means there has been a net migration into the country.

Note that if the ORCID record for an author is incomplete, then the first paper affiliation is likely to be incorrect.

CountryNo. of authors
for final paper
No. of authors
for first paper
DifferencePercentage
US 558 439 -119 -21%
China 283 314 31 11%
UK 146 145 -1 -1%
Germany 96 80 -16 -17%
Italy 88 91 3 3%
India 71 124 53 75%
Spain 67 69 2 3%
Russia 62 78 16 26%
France 54 78 24 44%
Japan 53 62 9 17%
Belgium 42 41 -1 -2%
Rep. Korea 35 36 1 3%
Finland 33 23 -10 -30%
Czech Rep. 28 26 -2 -7%
Poland 28 27 -1 -4%
Norway 25 15 -10 -40%
Austria 25 26 1 4%
Switzerland 22 18 -4 -18%
Argentina 17 19 2 12%
Brazil 16 19 3 19%
Greece 14 15 1 7%
Australia 13 17 4 31%
Iran 12 13 1 8%
Netherlands 11 10 -1 -9%
Mexico 11 11 0 0%
Ireland 11 10 -1 -9%
Sweden 11 13 2 18%
South Africa 10 9 -1 -10%
Croatia 7 7 0 0%
Saudi Arabia 5 2 -3 -60%
Egypt 5 7 2 40%
Bulgaria 5 5 0 0%
New Zealand 4 1 -3 -75%
Hungary 4 6 2 50%
Thailand 4 2 -2 -50%
Slovak Rep. 4 7 3 75%
Ukraine 4 5 1 25%
Turkey 3 6 3 100%
Portugal 3 5 2 67%
Israel 2 0 -2 -100%
Georgia 2 3 1 50%
UAE 2 1 -1 -50%
Romania 2 4 2 100%
Kuwait 1 1 0 0%
Nigeria 1 1 0 0%
Pakistan 1 1 0 0%
Indonesia 1 0 -1 -100%
Qatar 1 0 -1 -100%
Malaysia 1 1 0 0%
Denmark 1 4 3 300%
Colombia 1 5 4 400%
Chile 1 1 0 0%
Canada 1 2 1 100%
Algeria 1 0 -1 -100%
Ethiopia 1 2 1 100%
Serbia 0 1 1 -
Lebanon 0 1 1 -
Slovenia 0 1 1 -


Created on Wed Jan 22 04:46:31 2025.